Which of the following best explains the change in population shown in the graph

i think because of the cotton industry

Explanation:

because of the cotton industry growing, you need more people to pick cotton (slaves) so since it shows that their population increased, then cotton industry should be the answer

also its around the 1800's, so the civil war was around and slavery (civil war at 1861-1865)

hope its right

-kenma #3

(28x+35)y

Step-by-step explanation:

we divide y from both of them and we add the sum of those to get (28x+35)y